Do not use! This is a very general tag - please use a more specific tag to describe your problem.

learn more… | top users | synonyms

5
votes
6answers
8k views

Internal microphone not working

I have an internal microphone in my laptop. I think it uses Intel High Definition Audio. But I can't get it to work with Ubuntu. It doesn't work with either the Sound Recorder or Skype. On the Input ...
5
votes
4answers
4k views

Changing brightness on a Sony Vaio laptop

I just installed Ubuntu 10.10 on a Sony Vaio laptop. The brightness functions keys don't change the brightness. When I try to change the brightness I can see the levels going up and down in the ...
8
votes
1answer
824 views

How to determine what happened and locate the problem when my system freezes?

Hello I had some freezes with my desktop. It is Lucid 10.04 on a Lenovo 3000 N200. System freezes completely. How can I locate the problem?
7
votes
3answers
5k views

Ubuntu won't suspend anymore, but it did upon install

I fresh installed Ubuntu 10.10 back when it came out, and my laptop was suspending fine. All of a sudden, I can't get my laptop to suspend anymore. It's an HP Pavilion dv2-1110, but I don't think it's ...
6
votes
1answer
747 views

How can I find out which programs have modified a file over some period of time?

I'd like to better understand which programs are modifying a specific file1 during a reboot. Can I set something up to log this kind of information? Polling for which processes currently have the ...
2
votes
2answers
4k views

Unable to enumerate USB device

My syslog is constantly filled with messages like this: Oct 16 11:48:35 my-laptop kernel: [61470.980078] hub 1-0:1.0: unable to enumerate USB device on port 2 Oct 16 11:48:35 my-laptop kernel: ...
1
vote
1answer
916 views

How do I troubleshoot S-Video + audio jack output not working?

I connect my laptop to my TV using S-Video + audio jack. This worked perfectly in 10.10 but has stopped working in 11.04. I have tried switching from Ubuntu (Unity) to Ubuntu (No effects) and Ubuntu ...
1
vote
2answers
460 views

Login keyring box frozen [closed]

I'm new to ubuntu and I'm afraid I've done something really stupid. After booting, When prompted to enter a password to unlock my login keyring, I tried to enter in my password, but it won't let me. ...
5
votes
3answers
6k views

Laptop Brightness Problem on Toshiba Portege R705-P35

Basic Specs: Toshiba Portege R705-P35 13.1" screen Intel HD Graphics 4 GB RAM, Core i3 2.4 GHz Dual Boot Ubuntu 11.04 and Windows 7 (using grub bootloader) Basically, Ubuntu recognizes me ...
3
votes
1answer
560 views

Switch user fails to complete successfully [closed]

Switching users is not reliable; when switching users, often when returning to the first logged-on user, the computer ends up a blank screen and I must turn it fully off with the power button. ...
5
votes
1answer
2k views

How do you diagnose constant crashing issues?

My recent installation 10.10 on my laptop keeps freezing/crashing on start-up after working perfectly for one day. The system just freezes, like a screnshot, and a restart is required. It happens ...
4
votes
4answers
2k views

Chromium doesn't work

My chromium browser doesn't work for some reason. What I mean by that is that it doesn't even start up when I click on chromium icon or choose chromium from applications menu. What might be the ...
2
votes
0answers
134 views

File uploaded but never completed [closed]

I put a file in the Ubuntu One folder and it gets uploaded 100% and then nothing happens. I do not get a message it has completed and looking at the website it has not been uploaded. This generally ...
2
votes
2answers
621 views

Can't access any functions after chown command

I am not being to access any functions in my desktop and I don't have an OS besides Ubuntu and I am new to Ubuntu. I think I rebooted my computer thinking that Google Chrome crashed. I opened Google ...
0
votes
1answer
522 views

Ubuntu can't update some repositories [duplicate]

Possible Duplicate: What is the easiest way to resolve apt-get BADSIG GPG errors? Why can't Ubuntu update some repositories? especially from extras.ubuntu.com, PPA Tualatrix for Ubuntu ...
2
votes
2answers
2k views

How do I fix a garbled screen on a Gateway LT3103u?

I've been having garbled screen problems on a Gateway LT3103u on Ubuntu for a while. I just did a fresh install of Ubuntu 11.10 and continue to have issues. I installed xubuntu-desktop in case the ...
2
votes
0answers
688 views

/dev/mapper/cryptsetup1 is not ready yet or not present, slow system [closed]

Today I had a very high system load because I used many applications at the same time (VirtualBox, totem, firefox,...). The load was so high, that the system almost didn't react anymore. Then I killed ...
2
votes
2answers
3k views

Wubi install cannot see/connect to any wifi?

I installed 11.0`4 via wubi on my new Acer Aspire 7551G-7606. When I boot it up it cannot detect wifi. As a matter of fact, the "Enable Wifi" checkbox in the dropdown is disabled and when I enable it ...
2
votes
2answers
513 views

Cannot get to Grub after addition of new Win7 drive and install of 11.04

The TL:DR on this is that I had a working dual-boot. I then added a new drive with Win7. Which works fine and serves most of my needs, but I cannot now get to Linux. I'd like to get to Linux ...
2
votes
1answer
2k views

Computer won't sleep

When I try to put my Ubuntu 10.10 box to sleep or into hibernation, it appears to wake up right away (couple of seconds at most). I am trying to figure out what's going on, and would appreciate any ...
2
votes
4answers
2k views

Ubuntu sound not working

I am using Ubuntu 10.10 and my sound stopped working. It had happened before and I had a vague recollection that reinstalling something worked so I did: sudo apt-get purge pulseaudio sudo apt-get ...
0
votes
0answers
418 views

Diagnose Wifi connection, ubuntu 13.04 and Lenovo U310

I own a Lenovo U310.. I know the notebook has a reputation for having Wireless problems.. mine was manofactured this year and works great when connected to most wifi adapters.. but there are a few ...
0
votes
5answers
2k views

What can I do when Ubuntu freezes for some unknown mysterious reasons?

I'm using Ubuntu 12.04 but of some unknown reason sometime Ubuntu get stuck, no motion what so ever. If i try to move a mouse it doesn't respond and same thing with the keyboard. I hope at least some ...
0
votes
1answer
1k views

RTL8190 UNCLAIMED?

I have recently installed UBuntu and I'm having problems with my (RTL8190) card. I followed the steps listed here - https://help.ubuntu.com/10.04/internet/C/troubleshooting-wireless.html After ...